教师是学校里最重要的师表，是直观的最有教益的模范，是学生的最活生生的榜样。

股市的短期波动是不可预测的，但长期趋势是可以预测的。

Technology can revolutionize aquaculture, but only if we apply it with wisdom and foresight.

The discovery of stars orbiting the supermassive black hole at the galactic center was a turning point in astrophysics.

随着我们的进步，基因编辑的伦理影响必须被慎重考虑。

We are taught to be ashamed of confusion, anger, fear, and sadness, and to me, they are of equal value to happiness, excitement, and inspiration.